Performance Evaluation of Reinforced Geopolymer Concrete as Earthquake Resistant Composite

With the increasing challenges of ground vibrations due to seismic activity and the ever-increasing threat of blast loadings on structures, it has become more than a simple necessity to incorporate robust design strengths into structures without compromising serviceability life. When structural elements’ ability to absorb and disperse energy through post elastic deformations subjected to multiple cycles of these loading is naturally incorporated at cheap cost, their performance is well acknowledged. The single controlling property for a structural element’s healthy performance is its flexural element’s ductility. Although several elements contribute to the ductility of Reinforced Geopolymer Concrete (RGPC), low calcium-based fly ash and GGBS have chemical proportions that allow RGPC to generate significant ductility when mixed in an intelligent way that meets structural and economic requirements. The impact of low calcium fly ash, GGBS, River sand, M-sand, Steel Grade, manufactured fibres, and natural fibres on RGPC ductility is investigated in this study using load testing 51 with reinforced flexural elements. Similar tests on the flexural ductilities of Ordinary Portland Cement based flexural elements conducted by other researchers show that Reinforced Geopolymer Concrete Structural Elements are extremely comparable and appreciated.

Author(S) Details

N. B. Mahantesh
Department of Civil Engineering, Alliance College of Engineering and Design, Bengaluru, India.

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